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For the exceptionally well hydrated.
The hollow fiber filter in the MSR Guardian Filter Cartridge Replacement is meant to filter over 10,000 liters, but if you somehow surpass that, pick up the Guardian Filter Cartridge Replacement and enjoy another 10,000 bottles full of clean, clear, and crisp H2O.
- Hollow fiber filter
- Compatible with the MSR Guardian filter
- Item #CAS006E